Analysis
- max time kernel
61s - max time network
55s - platform
windows7_x64 - resource
win7-20230621-en - resource tags
- submitted
03/07/2023, 07:29
General
- Target Purchas Items.exe
- Size 598KB
- Sample230703-ja882sfd76
- SHA256 942181835b4ba27f416333219bfc5b78aa793be8d05edb5c6a4c78a60e00a7f9
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.quimicosolmeca.com
-
Port
587
-
Username
-
Password
$#QOL05052$Cc
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Purchas Items.exe"C:\Users\Admin\AppData\Local\Temp\Purchas Items.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Purchas Items.exe"C:\Users\Admin\AppData\Local\Temp\Purchas Items.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1160-67-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1160-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1160-71-0x0000000004DD0000-0x0000000004E10000-memory.dmp
memory/1160-70-0x0000000004DD0000-0x0000000004E10000-memory.dmp
memory/1160-69-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1160-65-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1160-60-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1160-63-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1160-62-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1160-61-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1316-55-0x0000000004CF0000-0x0000000004D30000-memory.dmp
memory/1316-59-0x0000000005690000-0x00000000056FA000-memory.dmp
memory/1316-54-0x00000000000E0000-0x000000000017C000-memory.dmp
memory/1316-58-0x00000000006C0000-0x00000000006CC000-memory.dmp
memory/1316-57-0x0000000004CF0000-0x0000000004D30000-memory.dmp
memory/1316-56-0x00000000005F0000-0x00000000005FC000-memory.dmp